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Finding the Third Proportional to 964,359 and 2,100,159

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Solution

The third proportional to 964,359 and 2,100,159 is: 4,573,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,359 : 2,100,159 = 2,100,159 : x
  2. Step 2: Convert to fraction form
    964,359/2,100,159 = 2,100,159/x
  3. Step 3: Cross multiply
    964,359x = 2,100,159 × 2,100,159
  4. Step 4: Simplify right side
    964,359x = 4,410,667,825,281
  5. Step 5: Solve for x
    x = 4,410,667,825,281/964,359
  6. Step 6: Final answer
    x = 4,573,678.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.